Ratios and Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, even if the numbers are different.

Front

How can you find an equivalent ratio using multiplication?

Back

To find an equivalent ratio, multiply both terms of the ratio by the same non-zero number.

Front

How can you find an equivalent ratio using division?

Back

To find an equivalent ratio, divide both terms of the ratio by the same non-zero number.

Front

What is the ratio of red toy cars to all toy cars if Patrick has 2 black, 3 red, and 5 white toy cars?

Back

The ratio of red toy cars to all toy cars is 3:10.

Front

If a recipe calls for 4 cups of flour and 2 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 4:2, which simplifies to 2:1.

Front

What is an example of a real-life ratio?

Back

An example of a real-life ratio is 4 meatballs to 1 cup of sauce.

Front

If 15 pairs of socks cost $15, what is the cost per pair?

Back

The cost per pair is $1.

Front

Are the ratios 15:25 and 3:5 equivalent?

Back

Yes, the ratios 15:25 and 3:5 are equivalent.

Front

What is the first step to solve for an unknown in equivalent ratios?

Back

The first step is to set up a proportion using the known ratios.